[analyzer] Refactoring: Move checkers into lib/GR/Checkers and their own library, libclangGRCheckers

llvm-svn: 122422

1 files changed, 0 insertions, 71 deletions

diff --git a/clang/lib/GR/CheckSizeofPointer.cpp b/clang/lib/GR/CheckSizeofPointer.cpp
deleted file mode 100644
index 4cf5eb70069..00000000000
--- a/clang/lib/GR/CheckSizeofPointer.cpp
+++ /dev/null
@@ -1,71 +0,0 @@
-//==- CheckSizeofPointer.cpp - Check for sizeof on pointers ------*- C++ -*-==//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  This file defines a check for unintended use of sizeof() on pointer
-//  expressions.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/GR/BugReporter/BugReporter.h"
-#include "clang/AST/StmtVisitor.h"
-#include "clang/GR/Checkers/LocalCheckers.h"
-
-using namespace clang;
-
-namespace {
-class WalkAST : public StmtVisitor<WalkAST> {
-  BugReporter &BR;
-
-public:
-  WalkAST(BugReporter &br) : BR(br) {}
-  void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
-  void VisitStmt(Stmt *S) { VisitChildren(S); }
-  void VisitChildren(Stmt *S);
-};
-}
-
-void WalkAST::VisitChildren(Stmt *S) {
-  for (Stmt::child_iterator I = S->child_begin(), E = S->child_end(); I!=E; ++I)
-    if (Stmt *child = *I)
-      Visit(child);
-}
-
-// CWE-467: Use of sizeof() on a Pointer Type
-void WalkAST::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) {
-  if (!E->isSizeOf())
-    return;
-
-  // If an explicit type is used in the code, usually the coder knows what he is
-  // doing.
-  if (E->isArgumentType())
-    return;
-
-  QualType T = E->getTypeOfArgument();
-  if (T->isPointerType()) {
-
-    // Many false positives have the form 'sizeof *p'. This is reasonable 
-    // because people know what they are doing when they intentionally 
-    // dereference the pointer.
-    Expr *ArgEx = E->getArgumentExpr();
-    if (!isa<DeclRefExpr>(ArgEx->IgnoreParens()))
-      return;
-
-    SourceRange R = ArgEx->getSourceRange();
-    BR.EmitBasicReport("Potential unintended use of sizeof() on pointer type",
-                       "Logic",
-                       "The code calls sizeof() on a pointer type. "
-                       "This can produce an unexpected result.",
-                       E->getLocStart(), &R, 1);
-  }
-}
-
-void clang::CheckSizeofPointer(const Decl *D, BugReporter &BR) {
-  WalkAST walker(BR);
-  walker.Visit(D->getBody());
-}